Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof in a condition that the first and second drawers have been closed and the guide walls, which have been consisted of transparent material, have been vertically installed in the third drawer.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a refrigerator, as shown and described. 